The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 1995
Filed:
Dec. 17, 1993
Applicant:
Inventor:
Edward A Woerheide, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166266 ; 166 52 ; 166 90 ; 166267 ; 166272 ;
Abstract
In a steam flood enhanced oil recovery operation, vapor and liquid in the casing annulus of the production wells is forwarded through a liquid separator with the thus separated vapor being forwarded to an eductor at the injection well where the vapor is mixed with incoming steam for injection and circulation through the formation.